33806272 has 14 divisors (see below), whose sum is σ = 67084448. Its totient is φ = 16903104.

The previous prime is 33806243. The next prime is 33806273. The reversal of 33806272 is 27260833.

It is a super-2 number, since 2×33806272² = 2285728053075968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33806273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264048 + ... + 264175.

Almost surely, 2^33806272 is an apocalyptic number.

33806272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33806272 is a deficient number, since it is larger than the sum of its proper divisors (33278176).

33806272 is an equidigital number, since it uses as much as digits as its factorization.

33806272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528235 (or 528225 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 33806272 is about 5814.3161248766. The cubic root of 33806272 is about 323.3447102195.

The spelling of 33806272 in words is "thirty-three million, eight hundred six thousand, two hundred seventy-two".